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Finding the Fourth Proportional to 284,390.02, 392,455.82 and 157,062.88

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Solution

The fourth proportional to 284,390.02, 392,455.82 and 157,062.88 is: 216,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,390.02 : 392,455.82 = 157,062.88 : x
  2. Step 2: Convert to fraction form
    284,390.02/392,455.82 = 157,062.88/x
  3. Step 3: Cross multiply
    284,390.02x = 392,455.82 × 157,062.88
  4. Step 4: Simplify right side
    284,390.02x = 61,640,238,614.37
  5. Step 5: Solve for x
    x = 61,640,238,614.37/284,390.02
  6. Step 6: Final answer
    x = 216,745.44

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